Senior Software Engineer (Python) Hybrid London (1-3 days per week) Up to £80,000 + Benefits Are you a passionate Pythonengineer who thrives on building scalable, high-quality software? We're working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that's looking for … a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility … a company that has won multiple Performance Marketing Employer of the Year awards - and genuinely invests in its people. What you'll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯
Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Pythonengineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that’s looking for … a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Harnham
Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Pythonengineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that’s looking for … a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯
london, south east england, united kingdom Hybrid / WFH Options
Harnham
Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Pythonengineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work, that’s looking for … a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Harnham
Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Pythonengineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work, that’s looking for … a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯
Principal PythonEngineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a PythonEngineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python … data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A … problem-solver who enjoys working closely with the business If you’re a Pythonengineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯
Principal PythonEngineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a PythonEngineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python … data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A … problem-solver who enjoys working closely with the business If you’re a Pythonengineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯
Principal PythonEngineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a PythonEngineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python … data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A … problem-solver who enjoys working closely with the business If you’re a Pythonengineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯
Principal PythonEngineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a PythonEngineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python … data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A … problem-solver who enjoys working closely with the business If you’re a Pythonengineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯
Principal PythonEngineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a PythonEngineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python … data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A … problem-solver who enjoys working closely with the business If you’re a Pythonengineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯
london (city of london), south east england, united kingdom
SGI
Principal PythonEngineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a PythonEngineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python … data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A … problem-solver who enjoys working closely with the business If you’re a Pythonengineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯
Founding PythonEngineer - VC Backed Start-Up - London Founding PythonEngineer required for an early stage start-up building the future of AI-powered data processing. With a founding team coming from some of the most biggest names in the industry and backed by some of the most prestigious VCs and angel investors, this is an … at the ground floor of a company tackling some of the hardest technical challenges of AI. You'll have 2-5 years of professional Software Engineering experience Proficiency in Python Start-Up mentality: thrive in fast paced environments and hungry to take ownership Strong problem solving and collaboration skills Based in London and happy to work in office Why … join World class founding team and leading investors Competitive compensation + meaningful equity Opportunity to impact and take ownership from the very beginning Were looking for Python Engineers who want to push boundaries, take ownership, and build at the edge of whats possible in AI. Founding PythonEngineer - VC Backed Start-Up - London More ❯
Founding PythonEngineer - VC Backed Start-Up - London Founding PythonEngineer required for an early stage start-up building the future of AI-powered data processing. With a founding team coming from some of the most biggest names in the industry and backed by some of the most prestigious VCs and angel investors, this is an … at the ground floor of a company tackling some of the hardest technical challenges of AI. You'll have 2-5 years of professional Software Engineering experience Proficiency in Python Start-Up mentality: thrive in fast paced environments and hungry to take ownership Strong problem solving and collaboration skills Based in London and happy to work in office Why … join World class founding team and leading investors Competitive compensation + meaningful equity Opportunity to impact and take ownership from the very beginning Were looking for Python Engineers who want to push boundaries, take ownership, and build at the edge of whats possible in AI. Founding PythonEngineer - VC Backed Start-Up - London More ❯
Founding PythonEngineer - VC Backed Start-Up - London Founding PythonEngineer required for an early stage start-up building the future of AI-powered data processing. With a founding team coming from some of the most biggest names in the industry and backed by some of the most prestigious VCs and angel investors, this is an … at the ground floor of a company tackling some of the hardest technical challenges of AI. You'll have 2-5 years of professional Software Engineering experience Proficiency in Python Start-Up mentality: thrive in fast paced environments and hungry to take ownership Strong problem solving and collaboration skills Based in London and happy to work in office Why … join World class founding team and leading investors Competitive compensation + meaningful equity Opportunity to impact and take ownership from the very beginning We’re looking for Python Engineers who want to push boundaries, take ownership, and build at the edge of what’s possible in AI. Founding PythonEngineer - VC Backed Start-Up - London More ❯
Founding PythonEngineer - VC Backed Start-Up - London Founding PythonEngineer required for an early stage start-up building the future of AI-powered data processing. With a founding team coming from some of the most biggest names in the industry and backed by some of the most prestigious VCs and angel investors, this is an … at the ground floor of a company tackling some of the hardest technical challenges of AI. You'll have 2-5 years of professional Software Engineering experience Proficiency in Python Start-Up mentality: thrive in fast paced environments and hungry to take ownership Strong problem solving and collaboration skills Based in London and happy to work in office Why … join World class founding team and leading investors Competitive compensation + meaningful equity Opportunity to impact and take ownership from the very beginning We’re looking for Python Engineers who want to push boundaries, take ownership, and build at the edge of what’s possible in AI. Founding PythonEngineer - VC Backed Start-Up - London More ❯
Founding PythonEngineer - VC Backed Start-Up - London Founding PythonEngineer required for an early stage start-up building the future of AI-powered data processing. With a founding team coming from some of the most biggest names in the industry and backed by some of the most prestigious VCs and angel investors, this is an … at the ground floor of a company tackling some of the hardest technical challenges of AI. You'll have 2-5 years of professional Software Engineering experience Proficiency in Python Start-Up mentality: thrive in fast paced environments and hungry to take ownership Strong problem solving and collaboration skills Based in London and happy to work in office Why … join World class founding team and leading investors Competitive compensation + meaningful equity Opportunity to impact and take ownership from the very beginning We’re looking for Python Engineers who want to push boundaries, take ownership, and build at the edge of what’s possible in AI. Founding PythonEngineer - VC Backed Start-Up - London More ❯
Founding PythonEngineer - VC Backed Start-Up - London Founding PythonEngineer required for an early stage start-up building the future of AI-powered data processing. With a founding team coming from some of the most biggest names in the industry and backed by some of the most prestigious VCs and angel investors, this is an … at the ground floor of a company tackling some of the hardest technical challenges of AI. You'll have 2-5 years of professional Software Engineering experience Proficiency in Python Start-Up mentality: thrive in fast paced environments and hungry to take ownership Strong problem solving and collaboration skills Based in London and happy to work in office Why … join World class founding team and leading investors Competitive compensation + meaningful equity Opportunity to impact and take ownership from the very beginning We’re looking for Python Engineers who want to push boundaries, take ownership, and build at the edge of what’s possible in AI. Founding PythonEngineer - VC Backed Start-Up - London More ❯
Founding PythonEngineer - VC Backed Start-Up - London Founding PythonEngineer required for an early stage start-up building the future of AI-powered data processing. With a founding team coming from some of the most biggest names in the industry and backed by some of the most prestigious VCs and angel investors, this is an … at the ground floor of a company tackling some of the hardest technical challenges of AI. You'll have 2-5 years of professional Software Engineering experience Proficiency in Python Start-Up mentality: thrive in fast paced environments and hungry to take ownership Strong problem solving and collaboration skills Based in London and happy to work in office Why … join World class founding team and leading investors Competitive compensation + meaningful equity Opportunity to impact and take ownership from the very beginning We’re looking for Python Engineers who want to push boundaries, take ownership, and build at the edge of what’s possible in AI. Founding PythonEngineer - VC Backed Start-Up - London More ❯
london (city of london), south east england, united kingdom
Oho Group Ltd
Founding PythonEngineer - VC Backed Start-Up - London Founding PythonEngineer required for an early stage start-up building the future of AI-powered data processing. With a founding team coming from some of the most biggest names in the industry and backed by some of the most prestigious VCs and angel investors, this is an … at the ground floor of a company tackling some of the hardest technical challenges of AI. You'll have 2-5 years of professional Software Engineering experience Proficiency in Python Start-Up mentality: thrive in fast paced environments and hungry to take ownership Strong problem solving and collaboration skills Based in London and happy to work in office Why … join World class founding team and leading investors Competitive compensation + meaningful equity Opportunity to impact and take ownership from the very beginning We’re looking for Python Engineers who want to push boundaries, take ownership, and build at the edge of what’s possible in AI. Founding PythonEngineer - VC Backed Start-Up - London More ❯
City of London, Greater London, UK Hybrid / WFH Options
Kioni Talent
Opportunity & Requirement Summary 📛 Role | Python Software Engineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their intelligent software … platform. They’re now looking for a Python Software Engineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable code and continuously improving … their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and reliability as the platform grows 💥 Your Impact Be a key contributor in More ❯
City Of London, England, United Kingdom Hybrid / WFH Options
Kioni Talent
Opportunity & Requirement Summary 📛 Role | Python Software Engineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their intelligent software … platform. They’re now looking for a Python Software Engineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable code and continuously improving … their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and reliability as the platform grows 💥 Your Impact Be a key contributor in More ❯
london, south east england, united kingdom Hybrid / WFH Options
Kioni Talent
Opportunity & Requirement Summary 📛 Role | Python Software Engineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their intelligent software … platform. They’re now looking for a Python Software Engineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable code and continuously improving … their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and reliability as the platform grows 💥 Your Impact Be a key contributor in More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Kioni Talent
Opportunity & Requirement Summary 📛 Role | Python Software Engineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their intelligent software … platform. They’re now looking for a Python Software Engineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable code and continuously improving … their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and reliability as the platform grows 💥 Your Impact Be a key contributor in More ❯
Principal PythonEngineer London | Permanent | Hybrid Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed systems, with the opportunity to build scalable tools and frameworks … used across the business. What youll do: Design, develop, and maintain performant, reliable frameworks and services in Python Build productivity tools and platforms that streamline workflows across investment and technology teams Contribute to code reviews and best practices, improving overall development quality Work across distributed systems, containers, and automation pipelines to deliver scalable solutions What were looking for: 6+ … years professional software development experience Strong proficiency in high-performance Python (deep ecosystem knowledge and best practices) Experience with at least one JVM language (Java, Kotlin, Scala) is an advantage Background in distributed systems and large-scale compute frameworks Familiarity with Docker, Kubernetes, Linux environments, and CI/CD automation This role offers the chance to work on complex More ❯
Senior PythonEngineer | London Were partnering with a high-growth AI startup thats building intelligent automation systems designed to simplify complex, real-world operations. Their platform is already redefining how data, workflow, and human decision-making come together and theyre scaling fast. If youre excited by the idea of joining an elite engineering team tackling deep technical problems … in AI, automation, and scalable software systems, this could be the role for you. The Role: As a Senior PythonEngineer , youll take ownership of backend design and development, helping to shape the architecture behind cutting-edge AI-driven platforms. Youll work closely with AI and product teams to bring intelligent features into production solving high-impact problems … CI/CD, and documentation. Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of professional experience in backend or software engineering. Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). Strong understanding of version control, CI/ More ❯
